We spend tons of time talking about girls' health, but guys are often overlooked. We know guys have questions about their bodies, too. So here's a section just for the boys.

Losing One of the Boys

By Nick, 20, Contributor, as told to Joshua Dickinson, 17, Staff Writer

Testicular cancer is no laughing matter. Read Nick's story and find out how he beat cancer. He's been through a lot, but he's got a positive attitude and an appreciation for life.

What's the average size of a penis? I cum really fast when I'm having sex. What can I do? What are blue balls? Sometimes I can't get an erection. Is there something wrong with me? Will masturbating a lot make a guy's sperm less potent?

Read all the questions & answers

Have questions or comments about your body and other guys' health topics? Go to the Forums and share your thoughts!

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How do you feel about your body?

AI love it -- it's me and it's natural
BSometimes I like it, and sometimes I really don't
CI struggle with liking my body and I always watch what I eat or skip meals
DI hate it

Whether you have a penis, know someone who does or are just an avid student of human anatomy, we've got a quiz for you.

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Here are some of the best Web sites, hotlines and books about male sexual health.